High-energy particle acceleration by high-power laser

Shigeo Kawata; Shuji Miyazaki; Qing Kong; Koichi Miyauchi; Jiri Limpouch; Alexander A. Andreev

doi:10.1117/12.558603

10 June 2004 High-energy particle acceleration by high-power laser

Shigeo Kawata, Shuji Miyazaki, Qing Kong, Koichi Miyauchi, Jiri Limpouch, Alexander A. Andreev

Proceedings Volume 5482, Laser Optics 2003: Superintense Light Fields and Ultrafast Processes; (2004) https://doi.org/10.1117/12.558603
Event: Laser Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

We propose to use an intense short pulse laser of the TEM(1,0)+TEM(0,1) mode in vacuum in order to trap and accelerate an electron bunch. The laser intensity distribution serves a confinement effect for electrons in the transverse direction by a transverse ponderomotive force. The electrons are accelerated longitudinally by a longitudinal ponderomotive force. In our computations, we employ a three-dimensional laser field and the relativistic equation of motion including a relativistic radiation damping effect. The maximum electron energy is about 195 [MeV] with an acceleration gradient of 5.25 [GeV/m] at the laser intensity of 1.23 x 10¹⁸ [W/cm²]. An emittance of the electron bunch accelerated is small and the spatial size in the radial and longitudinal directions are about 1000 [μm] and [μm], respectively. Such the electron bunch may have potentials for nano-technology applications, cancer treatment, a new point light source and so on.

Citation Download Citation

Shigeo Kawata, Shuji Miyazaki, Qing Kong, Koichi Miyauchi, Jiri Limpouch, and Alexander A. Andreev "High-energy particle acceleration by high-power laser", Proc. SPIE 5482, Laser Optics 2003: Superintense Light Fields and Ultrafast Processes, (10 June 2004); https://doi.org/10.1117/12.558603

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